diff --git a/src/client/linux/minidump_writer/linux_ptrace_dumper_unittest.cc b/src/client/linux/minidump_writer/linux_ptrace_dumper_unittest.cc
index db11651c..04da30b4 100644
--- a/src/client/linux/minidump_writer/linux_ptrace_dumper_unittest.cc
+++ b/src/client/linux/minidump_writer/linux_ptrace_dumper_unittest.cc
@@ -86,10 +86,11 @@ TEST(LinuxPtraceDumperTest, ThreadList) {
   bool found = false;
   for (size_t i = 0; i < dumper.threads().size(); ++i) {
     if (dumper.threads()[i] == getpid()) {
+      ASSERT_FALSE(found);
       found = true;
-      break;
     }
   }
+  ASSERT_TRUE(found);
 }
 
 // Helper stack class to close a file descriptor and unmap